וְעַתָּ֖ה לֵ֑ךְ וְאָנֹכִי֙ אֶֽהְיֶ֣ה עִם־פִּ֔יךָ וְהוֹרֵיתִ֖יךָ אֲשֶׁ֥ר תְּדַבֵּֽר׃
Now therefore go, and I will be with thy mouth, and teach thee what thou shalt speak.’
Read halakhic rulings (Jewish law) on Exodus 4:12: and classical halakhic sources.